A new method of tracking the dietary habits and contaminant exposure of animals in Arctic marine ecosystems is providing ...

The polar bear tops the food chain. September sea ice — the ... tundra shrubs grow taller and the Arctic becomes greener. Animals once unable to survive in the polar extremes are now invading ...

Explore the African savannah and find out how the animals and plants are connected in different food chains. Food chain challenge - Tundra Explore the Arctic tundra and find out how the animals ...